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Topic: Drift ice

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	Drift (Site not responding. Last check: 2007-11-06)
		Drift Drift is the slow long term variation of an attribute or value of a system or device.
		Drift ice Drift ice consists of slabs of ice that float on the surface of the water in cold regions.
		Polar drift Polar drift is a geological phenomenon caused by variations in the flow of molten north pole.
	www.brainyencyclopedia.com /topics/drift.html (260 words)

	[No title]
		Sea ice drift models are based on the observation that sea ice tends to drift at an angle to the geostrophic wind direction and at a fraction of the geostrophic wind speed.
		Sea ice drift is computed for all 207 of the Skiles points and for points along the NIC analysis of the ice edge.
		The operational Skiles sea ice drift forecasts are sent daily to the weather forecast offices in Anchorage and Fairbanks on a dedicated circuit, the NIC, and a Fleet Weather and Oceanography Facility at Keflavik, Iceland.
	www.nws.noaa.gov /om/tpb/ice.htm (1285 words)

	Description of the Chicago District - Pleistocene
		The shape of the pebbles and bowlders of the unstratified drift is not that of streams or shore pebbles.
		The ice creeps out in all directions from the interior until it reaches the sea, where great masses become detached and float away as icebergs, or until it reaches territory where the climate is such as to waste the ice by melting and evaporation as rapidly as it advances.
		From this arrangement of the drift in the ice sheet it also results that, on the final retreat of the ice front from the area, the englacial material, being highest up in the ice, is left upon the surface.
	ebeltz.net /folio/cfol-3.html (7373 words)

	English-Russian glossary of the sea-ice terms arranged by subject
		The principal kinds of floating ice are lake ice, river ice, and sea ice which form by the freezing of water at the surface, and glacier ice (ice of land origin) formed on land or in an ice shelf.
		Fast ice may be formed in situ from sea water or by freezing of floating ice of any age to the shore, and it may extend a few metres or several hundred kilometres from the coast.
		Ice cover: The ratio of an area of ice of any concentration to the total area of sea surface within some large geographic local; this local may be global, hemispheric, or prescribed by a specific oceanographic entity such as Baffin Bay or the Barents Sea.
	www.aari.nw.ru /gdsidb/glossary/p1.htm (4052 words)

	Problems in the Glacial Theory
		In considering the layer of drift and its origin, the basic assumption in the glacial theory is that material was formed by ice-sheets, and that rocks and stones from various places were ground up by the movement of the ice, transported in its lower parts and redeposited when the ice-sheets melted.
		The sand in which the stones of the drift are often embedded is explained in the glacial theory as originating in the environment of the melting of the ice at the end of the ice ages.
		The layers of drift in the vicinity of eskers also appear to be continuous with the material in eskers, indicating that eskers and the drift of the region are of the same age.
	www.sentex.net /~tcc/gtprob.html (8940 words)

	International Ice Patrol (Site not responding. Last check: 2007-11-06)
		Ice Patrol used vector addition of the effects of the wind and sea current on icebergs to predict their motion.
		Ice Patrol conducted hydrographic surveys in the vicinity of the Grand Banks beginning shortly after the inception of Ice Patrol and developed geostrophic current data using the methods described in Sverdrup, et al., 1942.
		The temperature of the ice surface was chosen as -1 degrees C. This temperature is above the equilibrium temperature of ice and sea water at 30 parts per thousand salinity of -1.63 degrees C. An ice surface temperature of -1 degrees C will be used throughout the model.
	www.uscg.mil /lantarea/iip/FAQ/ReconnOp_11.shtml (3817 words)

	Iceberg Drift
		Due to the low stability of the water column of the Southern Ocean, the amount of melted ice, although still subject to big uncertainties, might be crucial for the onset of deep convection and water mass formation.
		The red line represents the observed drift of the iceberg C-7 over a period of two years, positions of sightings are marked with circles.
		The red line represents the observed drift of the iceberg C-7, positions of sightings are marked with circles.
	www.awi-bremerhaven.de /Modelling/BRIOS/drift.html (541 words)

	The Elements of Geology - CHAPTER XXII - THE QUATERNARY
		The boundary of the drift is equally independent of the relief of the land, crossing hills and plains impartially, unlike water-laid deposits, whose margins, unless subsequently deformed, are horizontal.
		In the presence of these glaciated surfaces we cannot doubt that the area of the drift has been overridden by vast sheets of ice which, in their steady flow, rasped and scored the rock bed beneath by means of the stones with which their basal layers were inset, and in places plucked and shattered it.
		The pebbles and bowlders of the drift are in part stream gravels, bowlders of weathering, and other coarse rock waste picked up from the surface of the country by the advancing ice, and in part are fragments plucked from ledges of sound rock after the mantle of waste had been removed.
	www.globusz.com /ebooks/Geology/00000035.htm (7872 words)

	IOEB Archived Data Processing: (Site not responding. Last check: 2007-11-06)
		Since the IOEB is drifting, however, the movement of the buoy affects the apparent wind measured by the wind monitor.
		Wires from the ice sensors installed four years ago were frozen everywhere in the ice around the buoy and sometimes inhibited the ice drill, until being manually removed.
		The ice plug was frozen to the blue cable and was raised by lifting the mooring, cut into pieces with chainsaws and the debris dragged away.
	ioeb.whoi.edu /iadpdoc.htm (8416 words)

	Russian River Ice Thickness and Duration
		Ice freeze-up and break-up data are in files named ice.nn, where nn represents the station number.
		Ice and snow thickness data are in files named icethic.nn where nn represents the station number.
		Ice and snow values are in centimeters; missing values are set to -1.
	nsidc.org /data/docs/noaa/g01187_russian_river_ice_thickness (922 words)

	English-Russian glossary of the sea-ice terms arranged by subject
		Ridged ice zone: An area in which much ridged ice with similar characteristics has formed.
		Hummocked ice: Sea ice piled haphazardly one piece over another to form an uneven surface.
		Ram: An underwater ice projection from an ice wall, ice front, iceberg or floe.
	www.aari.nw.ru /gdsidb/pub/eng_nomen.html (4052 words)

	Chapter VI. Was It Caused By Continental Ice-Sheets?
		If the cold of the north caused the ice, and the ice caused the Drift, then in all the cold north-lands there must have been ice, and consequently there ought to have been Drift.
		The northern drift of Russia and Germany; the åsar of Sweden; the kames, eskers, and erratics of Britain; and the iceberg-drift of Northern America have, apparently, no equivalent in Siberia.
		If the verdure was covered with ice a mile in thickness, all animals that lived on vegetation of any kind must have perished; consequently, all carnivores which lived on these must have ceased to exist; and man himself, without animal or vegetable food, must have disappeared for ever.
	www.sacred-texts.com /atl/rag/rag08.htm (3727 words)

	Official ICE Forums - Drift rules (Site not responding. Last check: 2007-11-06)
		Use a counter or anithing similar to mark the "drift position" of the ship.
		5) in the drift phase, you must move the ship toward the DP marker half the distance (rounded down) in the shortest route.
		This last move is similar to the old "Mayday" vectorial movement, and with this system the ship hold exactly the momentum acquired (and not used) from turn to turn.
	www.ironcrown.com /forums/topic.asp?TOPIC_ID=5964 (404 words)

	Movement of Sea Ice
		the drift greatly influences the speed of drift.
		permits the pack ice to drift freely in that direction.
		Ice of land origin is ice that forms on land, usually
	www.tpub.com /content/aerographer/14269/css/14269_65.htm (316 words)

	About the NCEP ice drift model (Site not responding. Last check: 2007-11-06)
		This model uses a simple drift law relation to predict the displacement of an ice floe (if one is present) from a present location through time.
		The points in the northern hemisphere are defined on a fixed grid (the Skiles points) and along the ice edge from the most recent US National Ice Center (NIC) ice edge analysis.
		The guidance consists of the drift direction (in meteorological convention) and distance in nautical miles for each point.
	polar.ncep.noaa.gov /seaice/support/about.drift.html (235 words)

	Ragnarok The Drift ch. 6
		And, in this region, as in Siberia, the remains of the large, extinct mammalia are found imbedded in the surface-wash, or in cracks or crevices of the limestone.
		Again, no traces of northern drift are found in California, which is surrounded by high mountains, in some of which fragments of glaciers are found even to this day.
		In brief, the Drift is not found where ice must have been, and is found where ice could not have been; the conclusion, therefore, is irresistible that the Drift is not due to ice.
	www.earth-history.com /Atlantis/Ragnarok/ragnarok-1-6.htm (3854 words)

	Internet Book List :: Book Information: Ice Drift
		The year is 1868, and fourteen-year-old Alika and his younger brother, Sulu, are hunting for seals on an ice floe attached to their island in the Arctic.
		Suddenly the ice starts to shake, and they hear a loud crack--the terrible sound of the floe breaking free from land.
		The boys watch with horror as the dark expanse of water between the ice and the shore rapidly widens, and they start drifting south--away from their home, their family, and everything they've ever known.
	www.iblist.com /book23483.htm (135 words)

	Table of contents for Library of Congress control number 2004110445
		Table of contents for The drift of sea ice / Matti Leppèaranta.
		17 2.2 Ice floes to drift ice particles........................
		163 7 Drift in the presence of internal friction.....................
	www.loc.gov /catdir/toc/lhg/lhg051/2004110445.html (135 words)

	MMAB Sea Ice Forecast Page (Site not responding. Last check: 2007-11-06)
		The publicly available model guidance is for the drift of points in the ice pack.
		An experiment with longer range ice guidance, begun in June 1998 at the request of NWS Alaska Region resulted in the approval in January 2001 of extending the operational guidance to day 16, from the then-limit of 6 days.
		My thanks to Craig Sercy, NWS Anchorage for his graphics software for displaying the sea ice drift model output.
	polar.ncep.noaa.gov /seaice/Forecasts.html (153 words)

	Visuals Unlimited Stock Photography
		vu416000 - Drift ice, Pack ice, Ice field, Arctic, Ocean.
		vu416536 - Red Sea Urchins, feeding on drift kelp.
		vu416761 - Crabeater seal on ice floe and zodiak with tourists.
	www.visualsunlimited.com /browse/vu416/dirpage.html (5545 words)

	NASIOC - Ice Race & Sno Drift schedules?
		NASIOC - Ice Race & Sno Drift schedules?
		I need to get a room for Sno*Drift...probably in Gaylord like last year.
		Greg - for the ice racing, do you need a auto approved helmet or can I use my motorcycle helmet???
	forums.nasioc.com /forums/showthread.php?t=8434 (354 words)

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